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    • Multi Surface Paint (MSP)®
    • Barn Paint
    • Aqua-Advanced®
    • SDL
    • ALL PRIME®
    • Interior-Flex
    • Extra-Flex
    • Super-Flex
    • Floor Paint
    • MSV (Multi Surface Varnish)
    • Aqua Advanced Acrylic Undercoat®
    • Acrylic Primer Undercoat
    • Stain Block
    • Metal Primer
    • Silicone Profilers
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General Coating Advice

General Coating Advicedesignthing2024-08-27T12:00:38+00:00
  • Preparation
  • Priming
  • Application
  • Drying
  • Clean Up

Preparation

It is essential when using our products that all surfaces are free from oil, grease, dirt, dust, and loose particles.

On existing painted surfaces remove all loose and flaking paint and thoroughly rub down with abrasive paper. Mould, lichen, algae, or moss should be removed and the surface treated with a suitable fungicidal wash.

Smooth surfaces should be slightly abraded/keyed to aid adhesion.

New or previously finished timber (including denatured, PSE, or freshly planed wood) requires light abrasion. Pressure-treated timber should be weathered for 6 months.

External Galvanised steel should be weathered for a minimum of 2 months, if it is interior then it will need to be degreased with warm soapy water and rinsed or wiped over with methylated spirits. Do not use white spirit or turps substitute.

On metal surfaces we recommend the removal of any areas of rust with a wire brush prior to abrading and/or priming.

Priming

Most of our products are designed to be applied directly without the need for a separate primer. However on porous surfaces such as, untreated wood, weathered wood, new wood, cement render, plaster, brick work or any porous substrate the first coat should be thinned/diluted with 30% clean water to act as a primer coat.

A Stain Block or Metal Primer are suggested in the following circumstances.

Substrates Examples Priming with the following product is advised
Wood with water soluble extractives

Some plywood’s

Red cedarwood

Very resinous timber

(For further information on wood see our wood guide section).

BEDEC ALL PRIME®

or

BEDEC STAIN BLOCK

Ferrous Metals

Iron

Steel

BEDEC ALL PRIME®

or

BEDEC METAL PRIMER

Stained Substrates

Remove as much of the stain as possible.

The number of coats needed will depend on the nature and severity of the stain.

For a more extensive list of substrates please see our ALL PRIME product page.

Water stains
(it is important to treat the cause of the water stain and ensure the area has dried before using a primer or stain block)

Smoke and Fire damage

Crayon

Permanent ink

Lipstick

Grease

Mildew

(Apply a fungicidal wash before priming)

Mould

(Apply a fungicidal wash before priming)

Nicotine/Tobacco

Asphalt

Rust

Knots, Sap and Tannin Bleed

BEDEC ALL PRIME®

Application

All our products are water-based and therefore should only be applied at air and surface temperatures above 8˚c. The temperature of the environment and surface you are painting needs to stay above this level until the paint has had time to dry. Do not apply if the atmosphere is below the dew point, foggy, or likely to rain before the paint has formed a film.

Application can be by brush, roller, and spray.

Do not paint on substrates with a moisture reading above 18% and avoid surfaces that have had water repellent treatments.

If you are using a brush, we recommend the use of a synthetic brush.

Drying

At a ambient temperature of 18C and relative humidity of 65% our products are normally touch dry within 2 hours and re-coatable after 4 hours. Lower temperatures and/or higher humidity will adversely affect drying time. Super-Flex roof coating will take longer to dry because of the thicker applied film and is usually re-coatable after 4-6 hours ( depending on weather conditions ).

Clean Up

Clean up immediately after use with warm soapy water. Remove as much product as possible prior to cleaning.

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